Grinding tool



Jan. 29,1929.

P. HOPF GRINDING TOOL Filed Dec. 27,- 1924 //71/e/1 for;

Patented Jan. 29, 1929.

PAUL HOPE, or BERLIN, GERMANY.,

GRINDING- TOOL.

Application filed December 27, 1924, Serial No. 758,458, and in Germany November 13, 1924. i v

The object of the present invention is to produce a tool whereby grinding and cutting can be effected at the same time, and the invention consists in the provision of a thin slotted 5 metal plate having a notched edge and being covered with abrasive powder. I

Fig. 1 of the accompanying drawings rep-V with abrasive powder and provided with a plurality of symmetrically placed slots and notches a forming cutting edges whereby the effect of the tool is considerably enhanced. The notches at the edges of the tool enable the latter to act as a saw while at the same time a grinding eflect is p-roduce'd by the slottedfaces.

I claim: s a A dental grinding and cutting tool comprising a thin slotted steel plate covered with abrasive powder and formed with notched edges soas to have at the same time a grind ing and a sawing action.

PAUL HOPF. 

